PEP 3123: Provide forward compatibility with Python 3.0, while keeping
backwards compatibility. Add Py_Refcnt, Py_Type, Py_Size, and
PyVarObject_HEAD_INIT.
diff --git a/Modules/_lsprof.c b/Modules/_lsprof.c
index d35c894..5b03b56 100644
--- a/Modules/_lsprof.c
+++ b/Modules/_lsprof.c
@@ -120,7 +120,7 @@
 staticforward PyTypeObject PyProfiler_Type;
 
 #define PyProfiler_Check(op) PyObject_TypeCheck(op, &PyProfiler_Type)
-#define PyProfiler_CheckExact(op) ((op)->ob_type == &PyProfiler_Type)
+#define PyProfiler_CheckExact(op) (Py_Type(op) == &PyProfiler_Type)
 
 /*** External Timers ***/
 
@@ -207,7 +207,7 @@
 		PyObject *self = fn->m_self;
 		PyObject *name = PyString_FromString(fn->m_ml->ml_name);
 		if (name != NULL) {
-			PyObject *mo = _PyType_Lookup(self->ob_type, name);
+			PyObject *mo = _PyType_Lookup(Py_Type(self), name);
 			Py_XINCREF(mo);
 			Py_DECREF(name);
 			if (mo != NULL) {
@@ -744,7 +744,7 @@
 	flush_unmatched(op);
 	clearEntries(op);
 	Py_XDECREF(op->externalTimer);
-	op->ob_type->tp_free(op);
+	Py_Type(op)->tp_free(op);
 }
 
 static int